A block slides down a frictionless plane having an inclination of $\theta = 15.0^{\large\circ}$. The block starts from rest at the top, and the length of the incline is 2.00 m. Find its speed when it reaches the bottom of the incline

Question

$\begin{array}{1 1}5.46m/s\\6.30m/s\\2.54m/s\\3.19m/s\end{array}$